n = int(input())
l = list(map(int, input().split()))
s = 0
for i in range(n - 2):
    for j in range(i + 1, n - 1):
        for k in range(j, n):
            if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
            if l[i] + l[j] <= l[k]:
                continue
            if abs(l[i]- l[j]) >= l[k]:
                continue
            s += 1
print(s) n = int(input()) n int(input()) int input() input l = list(map(int, input().split())) l list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split s = 0 s 0 for i in range(n - 2):
    for j in range(i + 1, n - 1):
        for k in range(j, n):
            if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
            if l[i] + l[j] <= l[k]:
                continue
            if abs(l[i]- l[j]) >= l[k]:
                continue
            s += 1 i range(n - 2) range n - 2 n 2 for j in range(i + 1, n - 1):
        for k in range(j, n):
            if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
            if l[i] + l[j] <= l[k]:
                continue
            if abs(l[i]- l[j]) >= l[k]:
                continue
            s += 1 j range(i + 1, n - 1) range i + 1 i 1 n - 1 n 1 for k in range(j, n):
            if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
            if l[i] + l[j] <= l[k]:
                continue
            if abs(l[i]- l[j]) >= l[k]:
                continue
            s += 1 k range(j, n) range j n if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
             (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]) (l[i] == l[j]) | (l[j] == l[k]) l[i] == l[j] l[i] l i l[j] l j l[j] == l[k] l[j] l j l[k] l k l[i] == l[k] l[i] l i l[k] l k continue if l[i] + l[j] <= l[k]:
                continue
             l[i] + l[j] <= l[k] l[i] + l[j] l[i] l i l[j] l j l[k] l k continue if abs(l[i]- l[j]) >= l[k]:
                continue
             abs(l[i]- l[j]) >= l[k] abs(l[i]- l[j]) abs l[i]- l[j] l[i] l i l[j] l j l[k] l k continue s += 1 s 1 print(s) print s l = list(map(int, input().split())) list(map(int, input().split())) l s = 0 0 s s += 1 1 s n = int(input()) int(input()) n
n = int(input())
l = list(map(int, input().split()))
s = 0
for i in range(n - 2):
    for j in range(i + 1, n - 1):
        for k in range(j, n):
            if (l[i] == l[j]) | (l[j] == l[k]) | (l[i] == l[k]):
                continue
            if l[i] + l[j] <= l[k]:
                continue
            if abs(l[i]- l[j]) >= l[k]:
                continue
            s += 1
print(s)